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Two years into the Brexit process some Irish nationalists believe support for Northern Ireland joining the Republic is getting stronger.

For the Daily Politics, reporter Emma Vardy looks at whether a united Ireland is a real possibility, and what opposition it faces.

She spoke to Sinn Fein's Matt Carthy, unionist writer Sarah Creighton, the DUP's Sir Jeffrey Donaldson, researcher Paul Nolan, and Fine Gael's Neale Richmond.